单项选择题
A.’SQL ALTER DATABASE OPEN’； B.SQL ALTER DATABASE ’OPEN’； C.OPEN DATABASE； D.DATABASE OPEN
Whichofthefollowingcommandscannotbeexecutedwhenthedatab...
单项选择题Which of the following commands cannot be executed when the database open？（）
A.RECOVER DATABASE B.RECOVER TABLESPACE C.RECOVER DATAFILE D.ALTER DATABASE RECOVER DATAFILE
Whichofthefollowingviewsmustyouquerytoidentifyanycorrup...
单项选择题Which of the following views must you query to identify any corrupt data file blocks that have been detected during backup set creation？（）
A.V$COPY_CORRUPT B.V$COPY_CORRUPTION C.V$BACKUP_CORRUPT D.V$BACKUP_CORRUPTION
Whichdatadictionaryviewsdisplaystheerrorinformationrela...
单项选择题Which data dictionary views displays the error information related to a data file， when an internal read fails on that file？（）
A.V$DATAFILE B.V$DATAFILE_HEADER C.DBA_DATA_FILES D.V$DBFILE E.V$DATAFILE_ERRORS
